c# - Javascript Issue on MasterPage -

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I have found a piece of JavaScript that cleans the data in the text box. This code works well on a standalone page, but does not work on the master page.

My JavaScript is on the default page: 

  & lt; Script type = "text / javascript" & gt; Function doClear (searchbox) {if (searchbox.value == searchBox.defaultValue} {searchBox.value = ""}}

and I am the same as I To attach the OnClick property: 

  Secure Zero Page_load (Object Sender, EventArgs e) {Textbox1.Attributes. Add ("OnClick", "Door (Search Box);" );}

The error 'search box' is undefined!

Any help is greatly appreciated.

Matt

You have to do something, 

  safe Zero Page_load (Object Sender, EventArgs E) {Textbox1.Attributes.Add ("onclick", "doClear ('" + TextBox1.ClientId +' ''); ");}

When you use Master Pages, ASP.net can convert your client ID into your HTML elements to ensure that they are unique. See the section called 'Name Mangling'.

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